CVE-2020-5525: Nec Aterm WF1200C Firmware

High severity, CVSS 8.0. EPSS: 0.9% chance of exploitation in the next 30 days.

Aterm series (Aterm WF1200C firmware Ver1.2.1 and earlier, Aterm WG1200CR firmware Ver1.2.1 and earlier, Aterm WG2600HS firmware Ver1.3.2 and earlier) allows an authenticated attacker on the same network segment to execute arbitrary OS commands with root privileges via management screen.

Affected products

• Nec Aterm WF1200C Firmware: up to and including 1.2.1
• Nec Aterm WG1200CR Firmware: up to and including 1.2.1
• Nec Aterm WG2600HS Firmware: up to and including 1.3.2

Published 2020-02-21. Last modified 2026-06-17.